That Panasonic had a few followers, mainly I think due to the leica association. certainly makes better financial sense verses the leica....I will probably be shot down in flames for saying this, BUT, for the amount of money they ask I've not seen a decent digital Leica yet!
Yes, It is a shame the prism on DSLR's can't be removed...I've thought that when looking at my film F5 which does, then looking at near identical digital D1h bodies that don't
If you take a peak at the dreaded ebay, there's some real bargains to be had for right angle finders. Some brand new after-market ones starting from only about $50. that's if you don't mind not having a branded one (Christine/saphire got one a while ago...excellent value)
We had some zigview units in the shop way back when..... Save your money Sassan, you will be dissapointed if you get one (I was thoroughly unimpressed)